지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
The purpose of the study is to develop and validate landslide susceptibility map of Bhotang village development committee, Nepal using FR (Frequency Ration) and SI (Statistical Index) methods. For the purpose, firstly, a landslide inventory map was constructed based on mainly high resolution satellite images available in Google Earth Pro, and rest fieldwork as verification. Secondly, ten conditioning factors of landslide occurrence, namely: altitude, slope, aspect, mean topographic wetness index, landcover, normalized difference vegetation index, dominant soil, distance to river, distance to lineaments and rainfall, were derived and used for the development of landslide susceptibility map in GIS (Geographic Information System) environment. The landslide inventory of total 116 landslides was divided randomly such that 70% were used for training and remaining 30% for validating result by receiver operating characteristics curve analysis. The area under the curve were found to be greater than 0.7 indicating an acceptable susceptibility maps obtained using FR and SI methods in GIS for hilly region of Nepal.
목차
Abstract
1. Introduction
2. Materials and Methodology
3. Result and Validation
4. Conclusion
References
참고문헌 (16)
참고문헌 신청
Acharya, T.D., Yang, I.T., and Lee, D.H. (2016), Geospatial technologies for landslide inventory: application and analysis to earthquake-triggered landslide of Sindhupalchowk, Nepal, Journal of the Korean Society for Geo-spatial Information Science, Vol. 24, No. 2, pp. 95-106.
Althuwaynee, O.F., Pradhan, B., Park, H., and Lee, J.H. (2014), A novel ensemble bivariate statistical evidential belief function with knowledge-based analytical hierarchy process and multivariate statistical logistic regression for landslide susceptibility mapping, Catena, Vol. 114, No. 0, pp. 21-36.
Devkota, K., Regmi, A., Pourghasemi, H., Yoshida, K., Pradhan, B., Ryu, I., Dhital, M., and Althuwaynee, O. (2013), Landslide susceptibility mapping using certainty factor, index of entropy and logistic regression models in GIS and their comparison at Mugling?Narayanghat road section in Nepal Himalaya, Natural Hazards, Vol. 65, No. 1, pp. 135-165.
Guzzetti, F., Carrara, A., Cardinali, M., and Reichenbach, P. (1999), Landslide hazard evaluation: a review of current techniques and their application in a multi-scale study, Central Italy. Geomorphology, Vol. 31, No. 1?4, pp. 181- 216.
Kayastha, P. (2015), Landslide susceptibility mapping and factor effect analysis using frequency ratio in a catchment scale: a case study from Garuwa sub-basin, East Nepal, Arabian Journal of Geosciences, Vol. 8, No. 10, pp. 8601- 8613.
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UCI(KEPA) : I410-ECN-0101-2018-533-001414429